diff options
Diffstat (limited to 'drivers/net/wan/sbni.h')
| -rw-r--r-- | drivers/net/wan/sbni.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/net/wan/sbni.h b/drivers/net/wan/sbni.h new file mode 100644 index 000000000..84264510a --- /dev/null +++ b/drivers/net/wan/sbni.h @@ -0,0 +1,147 @@ +/* sbni.h: definitions for a Granch SBNI12 driver, version 5.0.0 + * Written 2001 Denis I.Timofeev (timofeev@granch.ru) + * This file is distributed under the GNU GPL + */ + +#ifndef SBNI_H +#define SBNI_H + +#ifdef SBNI_DEBUG +#define DP( A ) A +#else +#define DP( A ) +#endif + + +/* We don't have official vendor id yet... */ +#define SBNI_PCI_VENDOR 0x55 +#define SBNI_PCI_DEVICE 0x9f + +#define ISA_MODE 0x00 +#define PCI_MODE 0x01 + +#define SBNI_IO_EXTENT 4 + +enum sbni_reg { + CSR0 = 0, + CSR1 = 1, + DAT = 2 +}; + +/* CSR0 mapping */ +enum { + BU_EMP = 0x02, + RC_CHK = 0x04, + CT_ZER = 0x08, + TR_REQ = 0x10, + TR_RDY = 0x20, + EN_INT = 0x40, + RC_RDY = 0x80 +}; + + +/* CSR1 mapping */ +#define PR_RES 0x80 + +struct sbni_csr1 { +#ifdef __LITTLE_ENDIAN_BITFIELD + u8 rxl : 5; + u8 rate : 2; + u8 : 1; +#else + u8 : 1; + u8 rate : 2; + u8 rxl : 5; +#endif +}; + +/* fields in frame header */ +#define FRAME_ACK_MASK (unsigned short)0x7000 +#define FRAME_LEN_MASK (unsigned short)0x03FF +#define FRAME_FIRST (unsigned short)0x8000 +#define FRAME_RETRY (unsigned short)0x0800 + +#define FRAME_SENT_BAD (unsigned short)0x4000 +#define FRAME_SENT_OK (unsigned short)0x3000 + + +/* state flags */ +enum { + FL_WAIT_ACK = 0x01, + FL_NEED_RESEND = 0x02, + FL_PREV_OK = 0x04, + FL_SLOW_MODE = 0x08, + FL_SECONDARY = 0x10, +#ifdef CONFIG_SBNI_MULTILINE + FL_SLAVE = 0x20, +#endif + FL_LINE_DOWN = 0x40 +}; + + +enum { + DEFAULT_IOBASEADDR = 0x210, + DEFAULT_INTERRUPTNUMBER = 5, + DEFAULT_RATE = 0, + DEFAULT_FRAME_LEN = 1012 +}; + +#define DEF_RXL_DELTA -1 +#define DEF_RXL 0xf + +#define SBNI_SIG 0x5a + +#define SBNI_MIN_LEN 60 /* Shortest Ethernet frame without FCS */ +#define SBNI_MAX_FRAME 1023 +#define ETHER_MAX_LEN 1518 + +#define SBNI_TIMEOUT (HZ/10) + +#define TR_ERROR_COUNT 32 +#define CHANGE_LEVEL_START_TICKS 4 + +#define SBNI_MAX_NUM_CARDS 16 + +/* internal SBNI-specific statistics */ +struct sbni_in_stats { + u32 all_rx_number; + u32 bad_rx_number; + u32 timeout_number; + u32 all_tx_number; + u32 resend_tx_number; +}; + +/* SBNI ioctl params */ +#define SIOCDEVGETINSTATS SIOCDEVPRIVATE +#define SIOCDEVRESINSTATS SIOCDEVPRIVATE+1 +#define SIOCDEVGHWSTATE SIOCDEVPRIVATE+2 +#define SIOCDEVSHWSTATE SIOCDEVPRIVATE+3 +#define SIOCDEVENSLAVE SIOCDEVPRIVATE+4 +#define SIOCDEVEMANSIPATE SIOCDEVPRIVATE+5 + + +/* data packet for SIOCDEVGHWSTATE/SIOCDEVSHWSTATE ioctl requests */ +struct sbni_flags { + u32 rxl : 4; + u32 rate : 2; + u32 fixed_rxl : 1; + u32 slow_mode : 1; + u32 mac_addr : 24; +}; + +/* + * CRC-32 stuff + */ +#define CRC32(c,crc) (crc32tab[((size_t)(crc) ^ (c)) & 0xff] ^ (((crc) >> 8) & 0x00FFFFFF)) + /* CRC generator 0xEDB88320 */ + /* CRC remainder 0x2144DF1C */ + /* CRC initial value 0x00000000 */ +#define CRC32_REMAINDER 0x2144DF1C +#define CRC32_INITIAL 0x00000000 + +#ifndef __initdata +#define __initdata +#endif + +#endif + |